Influence of chemical and mineralogical soil properties on the adsorption of sulfamethoxazole and diclofenac in Mediterranean soils

Table 1 Properties of the selected pharmaceuticals

Compound	Molecular weight (g mol⁻¹)	Class	Structure	log K_ow	Water solubility (mg L^{− 1})	pK_a
Sulfamethoxazole	253.28^a	Antibiotic		0.89^c	610 (37 °C)^a	1: 1.7^b 2: 5.6^b
Diclofenac	296.1^d	NSAID		4.51^d	2.36 (25 °C)^d	4.15^d

NSAID: non-steroidal anti-inflammatory drug
^aDíaz-Cruz et al. [36]; ^bChen et al. [53]; ^cGao and Pedersen [37]; ^dAccessible at https://pubchem.ncbi.nlm.nih.gov/compound/diclofenac